JP2004100850A - ハードディスクドライブ用ピボットアッセンブリ - Google Patents

ハードディスクドライブ用ピボットアッセンブリ Download PDF

Info

Publication number
JP2004100850A
JP2004100850A JP2002264638A JP2002264638A JP2004100850A JP 2004100850 A JP2004100850 A JP 2004100850A JP 2002264638 A JP2002264638 A JP 2002264638A JP 2002264638 A JP2002264638 A JP 2002264638A JP 2004100850 A JP2004100850 A JP 2004100850A
Authority
JP
Japan
Prior art keywords
sleeve
outer ring
pivot assembly
outer periphery
hard disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP2002264638A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004100850A5 (de
Inventor
Toshisada Koyama
小山　利貞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minebea Co Ltd
Original Assignee
Minebea Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minebea Co Ltd filed Critical Minebea Co Ltd
Priority to JP2002264638A priority Critical patent/JP2004100850A/ja
Priority to US10/656,740 priority patent/US6995955B2/en
Priority to EP03255658A priority patent/EP1403856A3/de
Publication of JP2004100850A publication Critical patent/JP2004100850A/ja
Publication of JP2004100850A5 publication Critical patent/JP2004100850A5/ja
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4813—Mounting or aligning of arm assemblies, e.g. actuator arm supported by bearings, multiple arm assemblies, arm stacks or multiple heads on single arm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/30—Material joints
    • F16C2226/36—Material joints by welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Laser Beam Processing (AREA)
  • Moving Of Heads (AREA)
JP2002264638A 2002-09-10 2002-09-10 ハードディスクドライブ用ピボットアッセンブリ Withdrawn JP2004100850A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2002264638A JP2004100850A (ja) 2002-09-10 2002-09-10 ハードディスクドライブ用ピボットアッセンブリ
US10/656,740 US6995955B2 (en) 2002-09-10 2003-09-05 Pivot assembly for hard disk drive use
EP03255658A EP1403856A3 (de) 2002-09-10 2003-09-10 Drehlager

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002264638A JP2004100850A (ja) 2002-09-10 2002-09-10 ハードディスクドライブ用ピボットアッセンブリ

Publications (2)

Publication Number Publication Date
JP2004100850A true JP2004100850A (ja) 2004-04-02
JP2004100850A5 JP2004100850A5 (de) 2005-11-04

Family

ID=31973188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002264638A Withdrawn JP2004100850A (ja) 2002-09-10 2002-09-10 ハードディスクドライブ用ピボットアッセンブリ

Country Status (3)

Country Link
US (1) US6995955B2 (de)
EP (1) EP1403856A3 (de)
JP (1) JP2004100850A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011157978A (ja) * 2010-01-29 2011-08-18 Minebea Co Ltd 軸受装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004076901A (ja) * 2002-08-21 2004-03-11 Minebea Co Ltd ハードディスクドライブ用ピボットアッセンブリ
US8579514B2 (en) * 2010-04-26 2013-11-12 Seagate Technology Llc Press fitting a cartridge bearing
US9140304B2 (en) * 2010-04-29 2015-09-22 Aktiebolaget Skf Rolling bearing arrangement
JP2011256966A (ja) * 2010-06-10 2011-12-22 Seiko Instruments Inc 転がり軸受、軸受装置、情報記録再生装置
US9542964B2 (en) * 2014-10-28 2017-01-10 Minebea Co., Ltd. Pivot assembly bearing and hard disk drive device
JP2017116069A (ja) * 2015-12-25 2017-06-29 セイコーインスツル株式会社 軸受装置、情報記録再生装置および軸受装置の製造方法
DE102017215955A1 (de) * 2017-09-11 2019-03-14 Robert Bosch Gmbh Festlager für ein Lenkgetriebe und Verfahren zur Herstellung des Festlagers
US20210254694A1 (en) * 2018-06-13 2021-08-19 Exedy Globalparts Corporation Hydrodynamic launch device with anti-expansion feature

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161077A (en) * 1990-11-09 1992-11-03 Seagate Technology, Inc. Actuator arm with a steel sleeve for thermal off track compensation
CA2055060C (en) * 1990-12-31 1996-04-16 John R. Reidenbach Rotary actuator for disk drive assemblies
US5529404A (en) * 1994-06-01 1996-06-25 Seagate Technology, Inc. Adhesiveless assembly with laser welding
US5482381A (en) * 1994-06-16 1996-01-09 Seagate Technology, Inc. Actuator assembly having labyrinth seal
US6018441A (en) 1998-06-08 2000-01-25 Read-Rite Corporation Disk drive pivot bearing and actuator arm assembly
GB2367337B (en) * 1999-06-24 2003-11-12 Seagate Technology Llc Actuator bearing cartridge for disc storage system
JP2001065556A (ja) 1999-08-26 2001-03-16 Minebea Co Ltd ピボットアッセンブリー
US6631053B1 (en) 1999-09-28 2003-10-07 Maxtor Corporation Actuator pivot assembly that pivotally connects an actuator to a base of a disk drive
US6519116B1 (en) 2000-11-30 2003-02-11 Western Digital Technologies, Inc. Actuator arm assembly having bearing gap formed between bearing outer race and pivot sleeve for mitigating torque ripple on actuator arm in a disk drive
US6687092B2 (en) 2001-05-10 2004-02-03 Hitachi Global Storage Technologies Netherland B.V. Pivot bearing assembly for compensating for disk drive actuator tilt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011157978A (ja) * 2010-01-29 2011-08-18 Minebea Co Ltd 軸受装置

Also Published As

Publication number Publication date
EP1403856A2 (de) 2004-03-31
EP1403856A3 (de) 2006-05-10
US20040136116A1 (en) 2004-07-15
US6995955B2 (en) 2006-02-07

Similar Documents

Publication Publication Date Title
US8520335B2 (en) Spindle motor including hydrodynamic bearing and storage disk drive including same
US7341379B2 (en) Pivot assembly for hard disk drive use
US8385017B2 (en) Spindle motor including fluid bearing and storage disk drive including the same
US8553355B2 (en) Spindle motor and storage disk drive
US20130120868A1 (en) Spindle motor and storage disk drive
JP2004100850A (ja) ハードディスクドライブ用ピボットアッセンブリ
US7072148B2 (en) Apparatus for the sealing of a pivot assembly used in a hard disk drive
JP5606116B2 (ja) 転がり軸受装置およびピボット装置
JP4064433B2 (ja) 車輪用軸受装置
JP2004076901A (ja) ハードディスクドライブ用ピボットアッセンブリ
JP5603117B2 (ja) 転がり軸受装置およびピボット装置
JP2012188090A (ja) 車輪用軸受装置
JP5465970B2 (ja) 転がり軸受装置
WO2017090778A1 (ja) 磁性流体シール付き軸受
JP5465971B2 (ja) 転がり軸受装置
JPH11230177A (ja) フランジ付き小形ベアリング
JP2010150003A (ja) ベルトコンベアのローラハウジング取付構造
JP6145441B2 (ja) ピボットアッシー軸受
JP6687787B2 (ja) 磁性流体シール付き軸受
JP2014152873A (ja) 転がり軸受装置およびハードディスクドライブ装置
JP3899923B2 (ja) 動圧軸受装置
JP2014101922A (ja) 保持器、転がり軸受、軸受装置および情報記録再生装置
JP2010151285A (ja) 流体軸受装置、スピンドルモータ、情報装置
JP4494128B2 (ja) 車両用軸受装置
US8958174B1 (en) Spindle motor and disk drive apparatus

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050912

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050912

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20070521